EP4168762A4 - Messung der lichtwellenlänge - Google Patents
Messung der lichtwellenlänge Download PDFInfo
- Publication number
- EP4168762A4 EP4168762A4 EP20941840.9A EP20941840A EP4168762A4 EP 4168762 A4 EP4168762 A4 EP 4168762A4 EP 20941840 A EP20941840 A EP 20941840A EP 4168762 A4 EP4168762 A4 EP 4168762A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring
- light wavelength
- wavelength
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J9/0246—Measuring optical wavelength
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02029—Combination with non-interferometric systems, i.e. for measuring the object
- G01B9/0203—With imaging systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/0257—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods multiple, e.g. Fabry Perot interferometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/028—Types
- G01J2009/0284—Michelson
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/028—Types
- G01J2009/0288—Machzehnder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/028—Types
- G01J2009/0292—Fizeau; Wedge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/907,469 US10948356B1 (en) | 2020-06-22 | 2020-06-22 | Measuring wavelength of light |
| PCT/CA2020/051749 WO2021258184A1 (en) | 2020-06-22 | 2020-12-18 | Measuring wavelength of light |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4168762A1 EP4168762A1 (de) | 2023-04-26 |
| EP4168762A4 true EP4168762A4 (de) | 2023-12-06 |
| EP4168762B1 EP4168762B1 (de) | 2026-01-28 |
Family
ID=74870523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20941840.9A Active EP4168762B1 (de) | 2020-06-22 | 2020-12-18 | Messung der lichtwellenlänge |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10948356B1 (de) |
| EP (1) | EP4168762B1 (de) |
| JP (2) | JP2023524907A (de) |
| CA (1) | CA3181284C (de) |
| WO (1) | WO2021258184A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210349213A1 (en) * | 2020-05-05 | 2021-11-11 | Ivan Grudinin | Arbitrary optical waveform generation utilizing frequency discriminators |
| CN114485962A (zh) * | 2020-10-23 | 2022-05-13 | Ii-Iv特拉华股份有限公司 | 波长参考装置 |
| US11435234B1 (en) | 2021-02-10 | 2022-09-06 | Quantum Valley Ideas Laboratories | Increasing the measurement precision of optical instrumentation using Kalman-type filters |
| CN114323311A (zh) * | 2021-08-10 | 2022-04-12 | 苏州联讯仪器有限公司 | 用于波长测量的干涉仪器 |
| CN113503978A (zh) * | 2021-08-16 | 2021-10-15 | 苏州联讯仪器有限公司 | 光通信用光波长测量系统 |
| CN115655490B (zh) * | 2022-10-13 | 2025-11-14 | 华南师范大学 | 一种大角度斐索干涉仪波长测量装置 |
| CN115356281B (zh) * | 2022-10-20 | 2023-02-07 | 中国科学院新疆理化技术研究所 | 一种基于红外宽带光源的混合气体多参量测量方法 |
| CN118655711B (zh) * | 2024-08-20 | 2024-11-05 | 华翊博奥(北京)量子科技有限公司 | 波长选择器及单色仪 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3730257A1 (de) * | 1987-09-09 | 1989-03-23 | Inst Fiz An Bssr | Messgeraet fuer spektralcharakteristiken einer laserstrahlung |
| EP0570243A1 (de) * | 1992-05-15 | 1993-11-18 | Mitsubishi Denki Kabushiki Kaisha | Wellenlängenmessvorrichtung und damit ausgestattete Laservorrichtung |
| FR2782383A1 (fr) * | 1998-08-12 | 2000-02-18 | Commissariat Energie Atomique | Appareil de mesure de la longueur d'onde d'un faisceau lumineux |
| US6151114A (en) * | 1998-03-31 | 2000-11-21 | The Boeing Company | Coherent laser warning system |
| US20030137672A1 (en) * | 2002-01-21 | 2003-07-24 | Masato Moriya | Wavelength detecting apparatus, laser apparatus, and wavelength detecting method |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173442A (en) * | 1977-05-27 | 1979-11-06 | The United States Of America As Represented By The Secretary Of Commerce | Apparatus and method for determination of wavelength |
| US4191473A (en) * | 1978-01-09 | 1980-03-04 | Hansch Theodor W | Method of and apparatus for measuring the absolute wavelength of a source of unknown frequency radiation |
| JP2614768B2 (ja) * | 1989-08-11 | 1997-05-28 | 株式会社小松製作所 | 波長検出装置 |
| DE4114407A1 (de) | 1991-05-03 | 1992-11-05 | Zeiss Carl Fa | Verfahren und anordnung zur bestimmung und fixierung der luftwellenlaenge einer lichtquelle |
| US5420877A (en) | 1993-07-16 | 1995-05-30 | Cymer Laser Technologies | Temperature compensation method and apparatus for wave meters and tunable lasers controlled thereby |
| US5543916A (en) * | 1993-10-04 | 1996-08-06 | Science Solutions, Inc. | Interferometer with alignment assembly and with processor for linearizing fringes for determining the wavelength of laser light |
| DE69907594T2 (de) * | 1998-03-11 | 2003-11-20 | Cymer, Inc. | Wellenlängensystem für einen excimerlaser |
| JP4041230B2 (ja) * | 1998-11-02 | 2008-01-30 | 株式会社小松製作所 | 波長検出装置およびレーザ装置における波長検出装置 |
| US6667804B1 (en) | 1999-10-12 | 2003-12-23 | Lambda Physik Ag | Temperature compensation method for wavemeters |
| JP2003254708A (ja) * | 2002-03-06 | 2003-09-10 | Mitsutoyo Corp | 補正値測定方法 |
| US7333210B2 (en) * | 2003-09-26 | 2008-02-19 | Fizeau Electro-Optic Systems, Llc | Method and apparatus for feedback control of tunable laser wavelength |
| WO2006058423A1 (en) * | 2004-11-30 | 2006-06-08 | Opsens Inc. | Birefringent optical temperature sensor and method |
| US7268887B2 (en) * | 2004-12-23 | 2007-09-11 | Corning Incorporated | Overlapping common-path interferometers for two-sided measurement |
| WO2008030580A2 (en) * | 2006-09-07 | 2008-03-13 | 4D Technology Corporation | Synchronous frequency-shift mechanism in fizeau interferometer |
| JP5558768B2 (ja) * | 2008-10-24 | 2014-07-23 | キヤノン株式会社 | 測定装置、光源装置、干渉測定装置、露光装置、及びデバイス製造方法 |
| WO2015123622A1 (en) * | 2014-02-14 | 2015-08-20 | Lumense, Inc. | System and method for continuous, real-time monitoring of chemical contaminants in carbon dioxide |
| US10128634B2 (en) * | 2016-10-10 | 2018-11-13 | Juniper Networks, Inc. | Integrated wavelength locker |
| JP2018169265A (ja) * | 2017-03-29 | 2018-11-01 | 株式会社東京精密 | 距離測定装置及び距離測定方法 |
| US10782120B2 (en) * | 2018-07-03 | 2020-09-22 | Kla Corporation | Dual-interferometry wafer thickness gauge |
| US11391969B2 (en) * | 2018-12-07 | 2022-07-19 | Freedom Photonics Llc | Systems and methods for wavelength monitoring |
-
2020
- 2020-06-22 US US16/907,469 patent/US10948356B1/en active Active
- 2020-12-18 WO PCT/CA2020/051749 patent/WO2021258184A1/en not_active Ceased
- 2020-12-18 JP JP2022574161A patent/JP2023524907A/ja active Pending
- 2020-12-18 CA CA3181284A patent/CA3181284C/en active Active
- 2020-12-18 EP EP20941840.9A patent/EP4168762B1/de active Active
-
2024
- 2024-04-15 JP JP2024065550A patent/JP2024099614A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3730257A1 (de) * | 1987-09-09 | 1989-03-23 | Inst Fiz An Bssr | Messgeraet fuer spektralcharakteristiken einer laserstrahlung |
| EP0570243A1 (de) * | 1992-05-15 | 1993-11-18 | Mitsubishi Denki Kabushiki Kaisha | Wellenlängenmessvorrichtung und damit ausgestattete Laservorrichtung |
| US6151114A (en) * | 1998-03-31 | 2000-11-21 | The Boeing Company | Coherent laser warning system |
| FR2782383A1 (fr) * | 1998-08-12 | 2000-02-18 | Commissariat Energie Atomique | Appareil de mesure de la longueur d'onde d'un faisceau lumineux |
| US20030137672A1 (en) * | 2002-01-21 | 2003-07-24 | Masato Moriya | Wavelength detecting apparatus, laser apparatus, and wavelength detecting method |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021258184A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3181284C (en) | 2023-06-20 |
| WO2021258184A1 (en) | 2021-12-30 |
| US10948356B1 (en) | 2021-03-16 |
| JP2023524907A (ja) | 2023-06-13 |
| CA3181284A1 (en) | 2021-12-30 |
| EP4168762B1 (de) | 2026-01-28 |
| EP4168762A1 (de) | 2023-04-26 |
| JP2024099614A (ja) | 2024-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4168762A4 (de) | Messung der lichtwellenlänge | |
| EP3491218A4 (de) | Gleichzeitige verteilte messungen an optischer faser | |
| EP4027052A4 (de) | Optisches element für fahrzeugleuchte | |
| EP3994431C0 (de) | Optische messvorrichtung mit interner spektralreferenz | |
| EP3825742A4 (de) | Optisches element | |
| EP3449537A4 (de) | Monolithischer faserlaser mit sichtbarer wellenlänge | |
| EP3911986A4 (de) | Abgedichteter optischer sender-empfänger | |
| EP3640989A4 (de) | Lichtempfangselement und entfernungsmessmodul | |
| EP3844531C0 (de) | Messung der personalsicherheit | |
| EP3884663A4 (de) | Sichtbare laserquelle mit mehreren wellenlängen | |
| EP3045896C0 (de) | Optischer sensor mit lichtleitender funktion | |
| EP3789730A4 (de) | Lichtempfangselement und abstandsmessmodul | |
| EP3657544A4 (de) | Lichtempfangselement und entfernungsmessmodul | |
| EP3724639A4 (de) | Kompaktes spektroskopisches optisches instrument | |
| EP4261897A4 (de) | Lichtempfangselement | |
| IL289798A (en) | Encapsulated light-guide optical element | |
| EP4105547C0 (de) | Leuchte | |
| NO20180451A1 (en) | Displacement measurements using a multi-cavity sensor | |
| EP3647757A4 (de) | Vorrichtung zur messung von reflektiertem licht | |
| EP3644378A4 (de) | Lichtempfangselement und entfernungsmessmodul | |
| EP4266661A4 (de) | Optischer leitungssensor | |
| EP3969930A4 (de) | Optische fernmessung | |
| EP3770550A4 (de) | Entfernungsmesskamera | |
| EP3933482A4 (de) | Optisches element | |
| EP4184202C0 (de) | Optoelektronischer sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20221128 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20231108 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: G01J 9/02 20060101AFI20231102BHEP |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20240716 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTG | Intention to grant announced |
Effective date: 20250822 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: F10 Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE) Effective date: 20260128 Ref country code: GB Ref legal event code: FG4D |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602020066403 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Free format text: CASE NUMBER: UPC_APP_0005918_4168762/2026 Effective date: 20260218 |